Hi!
I just came across a mail sample with a User-Agent of "SOGoMail 2.3.23" which was not properly
encoded to meet SMTP requirements. Specifically, it was encoded as a plain text mail with a line
length longer than the 1000 byte (not counting trailing \r\n) limit defined for SMTP. The mail was
to a public list, which was also misconfigured and otherwise resulted in the mail not getting
delivered to many list subscribers, relevant headers are reproduced below (it seems the mail didn't
make it to some list archives, otherwise I'd link to it).
Please cc me on any replies.
Matt
Return-path: <[email protected]>
Delivery-date: Mon, 11 Oct 2021 18:09:30 +0000
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From: "Kyle James Chapman" <[email protected]>
X-Forward: 185.230.160.25
Content-Type: text/plain; charset="utf-8"
Date: Mon, 11 Oct 2021 16:13:55 +0200
Subject: All Three Superblocks Damaged After Kernel Panic
MIME-Version: 1.0
To: [email protected]
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